org.bimserver.serializers.binarygeometry.clipping.Vector Maven / Gradle / Ivy

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package org.bimserver.serializers.binarygeometry.clipping;

/******************************************************************************
 * Copyright (C) 2009-2019  BIMserver.org
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see {@literal}.
 *****************************************************************************/

import java.lang.Math;

public class Vector {

protected double x;
protected double y;
protected double z;

public Vector(double x, double y, double z) {
 this.x = x;
 this.y = y;
 this.z = z;
}

public double getX() {
 return x;
}

public double getY() {
 return y;
}

public double getZ() {
 return z;
}

public void setX(double val) {
 x = val;
}

public void setY(double val) {
 y = val;
}

public void setZ(double val) {
 z = val;
}

public Vector add(Vector v) {
 return new Vector(x + v.x, y + v.y, z + v.z);
}

public Vector sub(Vector v) {
 return new Vector(x - v.x, y - v.y, z - v.z);
}

public Vector mul(Vector v) {
 return new Vector(x * v.x, y * v.y, z * v.z);
}

public Vector div(Vector v) {
 return new Vector(x / v.x, y / v.y, z / v.z);
}

public Vector add(double s) {
 return new Vector(x + s, y + s, z + s);
}

public Vector sub(double s) {
 return new Vector(x - s, y - s, z - s);
}

public Vector mul(double s) {
 return new Vector(x * s, y * s, z * s);
}

public Vector div(double s) {
 double inv = 1.0f / s;
 return new Vector(x * inv, y * inv, z * inv);
}

public double length() {
return  (double)Math.sqrt(x * x + y * y + z * z);
}

public double length2() {
 return (x * x + y * y + z * z);
}

public Vector cross(Vector v) {
 return new Vector(y * v.z - z * v.y,
                   z * v.x - x * v.z,
                   x * v.y - y * v.x);
}

public double dot(Vector v) {
 return (x * v.x + y * v.y + z * v.z);  
}

public Point toPoint() {
 return new Point(x, y, z);
}

public Vector getInverse() {
return new Vector(1.0f / x, 1.0f / y, 1.0f / z); 
}

public double normalize() {
 double len = length();
 double inv = 1.0f / len;
 
 x *= inv;
 y *= inv;
 z *= inv;
 
 return len;
}

public double angleBetween(Vector v) {
 Vector v1 = new Vector(x, y, z);
 Vector v2 = new Vector(v.x, v.y, v.z);
 v1.normalize();
 v2.normalize();
 return Math.acos(v1.dot(v2));
}
}